Improvement in boilers



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l. R. LAMB.

- Boilers. A-No. 157,184. Y Patented Nov. 24, 1874.

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Ptented Nov. 24,1874.

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n p 'i UNITED STATES PATENT OFFICE.

JOSEPH R. LAMB, OF JACKSONVILLE, ILLINOIS, ASSIGNOR TO AMBROSE MARRIOTT, OF ST. LOUIS, MISSOURI.

IMPROVEMENT IN BOILERS.

Specification forming part of Letters Patent No. 157,184, dated November 24, 1874; application tiled October 20, 1874.

To all whom. it may concern:

Be it known that I, JOSEPH ROBERT LAMB, of Jacksonville, Morgan county,iState of Illinois, have invented certain new and useful Improvements in Boilers for Water-Heaters, and other purposes, of which the following i a specification:

In this improvement the boiler is constructed of a number of parallel longitudinal vertical sections, each consisting of a top and bottom longitudinal pipe, slightly inclined from the horizontal, and the said pipes being connected by a number of vertical pipes of cruciform cross-section. The sections are connected together by transverse pipes at bottom and top, as shown.

Figure l is a perspective view of my apparatus, the front wall, one of the side walls, and the crown being removed. Fig. 2 is a longitudinal section at .r x, Fig. 3. Fig.-3 is a horizontal section at y y, Fig. 2.

A is the wall or casing surrounding the boiler. This case may be of brick, metal, or other suitable material. B is the furnacedoor, and O the chimney. D D are horizontal side pipes through which the feed-water enters. These pipes end at front in sockets d, for 'the ends ofthe water-supply (or return) pipes, whose ends are inserted in the sockets and secured bya rustjoint. The side pipes D D extend backward each side ofthe fire-grate and connect with the ends of the rear transverse pipe E, which has upon its upper side a number of sockets, F F, tc., each to receive the end of a vertical pipe, G, secured in said socket by a rustjoint. H is a pipe which forms a forward continuation ofthe pipe G, the pipe H inclining slightly upward as it extends forward. I I, Ste., are

vvertical pipes extending upward from the pipe H and forming the water-communication between the pipe H and a pipe, J, parallel therewith, and extending from the back to the front of the case, where is an enlargement or socket, j, by which connection is made with a short pipe, J f, which is one of a number extending backwardly from the transverse pipeK. The joint j, like those aforesaid, is a rust-joint.

Thus, the boiler consists of a number of vertical parallel sections, G H I J, connected together and having Water communication through transverse pipes at bottom in the rear, and at top in front.

All the pipes except those, I, may be round, but the pipes I are cruciform in section, (as shown in Fig. 3,) having longitudinal extensions or hollow ribs fi, and transverse extensions or hollow ribs il.

The pipes I are so arranged that the transverse extensions or ribs il, in one section, are opposite to the spaces 'i2 between the pipes in the contiguous sections, this arrangement allowing the heated currents to have free upward movement and to heat eft'ectually the whole surface of the pipes I.

VWhen using the boiler for water-heater, for heating buildings, for baths, &c., the water flows out through the pipe K to the radiators, and returns through the pipes D D.

When using as a steam-boiler, the pipe K may be made of sufcient diameter to constitute a steam-drum, or may communicate with a steam-drum over it and also, the rear ends of the pipes J may communicate with the pipe E by verticalcirculation pipes extending down through the body of the case A, or outside the case, so as to allow the Water to have a downward tlow through these pipes.

My preferred inode of manufacture is to cast the side pipes D D separate from the transverse pipe E, and to cast the necks or sockets F upon the latter. The neck or pipe G, pipes H and I I, Svc., and pipe J, of each section, are cast in one piece. The joints between pipes, wherever joints are required, are rustjoints, as shown, the iron cement being tamped into the necks or sockets v around the ends of the pipes.

I claim- As an improvement iii a boiler, the combination of sections formed of longitudinal pipes H and J, and vertical pipes I, cruciform in transverse section, and the transverse connecting-pipes, all substantially as set forth.

JOSEPH ROBERT LAMB.

Witnesses:

J As. M. N oRrH, ROBERT D. RUSSELL. 

